CN1598247A - Air-hydraulic cylinder with dual function diaphragm - Google Patents
Air-hydraulic cylinder with dual function diaphragm Download PDFInfo
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- CN1598247A CN1598247A CN 200410021567 CN200410021567A CN1598247A CN 1598247 A CN1598247 A CN 1598247A CN 200410021567 CN200410021567 CN 200410021567 CN 200410021567 A CN200410021567 A CN 200410021567A CN 1598247 A CN1598247 A CN 1598247A
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- oil hydraulic
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Abstract
The invention relates to a double-effect film air pressure or hydraulic cylinder using pressure air or liquid as power, which includes the shell and film of the cylinder. The double-effect film plate air pressure or hydraulic cylinder is made up of at least one group, each shell is assembled with two film plates including a big one and small one, and forms tow sealed cavities, which is divided into cavity with pole and cavity without pole; the pushing pole penetrates the two film plate, and they are connected to the film plate and sealed. There has a cavity air and liquid nozzle in the cavity with a pole on top of the middle shell and the post shell, and the inlet and outlet of the air pressure and hydraulic in the cavity without pole; according to the demands, it can form several groups of double-effect film plate air pressure and hydraulic cylinder, thus the air pressure and hydraulic pushing poles can generate multiplied forces.
Description
Technical field
The present invention relates to a kind of is the executive component of power so that calm the anger body or liquid to be arranged, and being specifically related to a kind of is double-action diaphragm gas, the oil hydraulic cylinder of power so that calm the anger body or liquid to be arranged.
Background technique
At present, the gas of known technology, oil hydraulic cylinder majority are piston cylinder operator.Such structure exists major defect to be: piston reciprocatingly slides in cylinder barrel and produces sliding friction or easily by the foreign matter clamping stagnation, cause the damage of seal element and produce and leak and action is obstructed, thereby produce unable and consequence that creep, can make it stuck under the serious situation, can't work; Also exist same defective in addition between piston rod and the Sealing.Along with the development of technology, a kind of single diaphragm type cylinder has appearred at present, though overcome the defective of above-mentioned piston cylinder operator, diaphragm type cylinder can only be released push rod under compressed-air actuated effect like this, but can not under compressed-air actuated effect it be retracted.The return of push rod mainly pushes back it by the elastic force of spring.Problem is that the used spring force of the diaphragm type cylinder of this spline structure can not be too big.Like this, to the needs all very big operation occasion of active force back and forth, just can't finish periodic duty.Therefore the application area of this single diaphragm type cylinder is very restricted.
Summary of the invention
The objective of the invention is defective at above-mentioned single-acting diaphragm type cylinder existence, change its structure, a kind of double-action diaphragm gas, oil hydraulic cylinder are provided, or organize double-action diaphragm gas, oil hydraulic cylinder more, to reduce rate of fault and the operating cost in the using process, enlarge its application scope.
The technological scheme that realizes the invention described above purpose is: double-action diaphragm gas, oil hydraulic cylinder are to constitute by one group at least, be equipped with two diaphragms in the housing of every group of cylinder, and fit together with housing and to form two airtight cavitys, push rod passes two diaphragms, and is connected, seals with diaphragm.
By housing and two formed two airtight cavitys of diaphragm, the chamber of a band push rod is called the rod chamber body, does not have the chamber of push rod to be called the rodless cavity body.The housing of described every group of cylinder is by front case, middle casing and rear case constitute, and according to the difference of actual conditions, front case can be cancelled, diaphragm can directly be installed between application apparatus housing and the middle shell, a gas, liquid mouth are arranged respectively above middle casing and rear case, are the inlet/outlet that calm the anger body or liquid are arranged.
Every group of gas, interior two diaphragms that assembled of oil hydraulic cylinder are divided into Small diaphragm-piece and big diaphragm, and two block pressur plates are housed respectively on each diaphragm.
When double-action diaphragm gas, oil hydraulic cylinder during, all be that the front case of one group of gas of rear case and back, oil hydraulic cylinder by last group of gas, oil hydraulic cylinder assembles together and forms by many groups double-action diaphragm gas of forming more than two groups, oil hydraulic cylinder.
The present invention compared with the prior art because its structure changes two diaphragms into by single-iris, because diaphragm has the branch of size, has formed two different airtight cavitys of form simultaneously thus.With reference to accompanying drawing 1, when gas, oil hydraulic cylinder under normal conditions because diaphragm self elastic force effect push rod is in retracted mode.When the air inlet of rodless cavity body, liquid, promote diaphragm and drive push rod to left movement, rod chamber size diaphragm is forward during arching at the volley, the gas that big diaphragm arranges in rod chamber, the volume that liquid volume increases in rod chamber greater than Small diaphragm-piece, so rod chamber is in exhaust, liquid status, when moving to stop, push rod is ejected and keeps certain thrust.When rod chamber air inlet, liquid, because pressure acts on big or small diaphragm simultaneously, meeting produces and differs in size, direction is opposite, act on two power on the same axis, the power that the power that big diaphragm produces produces greater than Small diaphragm-piece, so diaphragm can drive push rod and move right, rodless cavity volume-diminished and exhaust, liquid are when moving to stop, push rod is pulled and keeps certain pulling force, has so just finished a work cycle.Retract by above-mentioned visible push rod of the present invention, need not spring action, do not relate to sealing problem in axial sliding in the circulation simultaneously, demonstrated fully and need not to lubricate, characteristics such as fricton-tight friction, thereby greatly reduce rate of fault and operating cost in the using process, simultaneously this gas, oil hydraulic cylinder can adapt under various rugged environment and move; In addition, according to the needs of practical application, the present invention can form two groups and double-action diaphragm gas, the oil hydraulic cylinder of organizing more, makes push rod produce times power effect, thereby has also enlarged its application scope, and its beneficial effect is extremely tangible.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of two groups of double-action diaphragm gas, oil hydraulic cylinder.
1 push rod among Fig. 1,2 front cases, 3 little clips, 4 rod chamber gas, liquid mouth, 5 big clips, 6 rodless cavity gas, liquid mouth, 7 rear cases, 8 little pressing plates, 9 Small diaphragm-pieces, 10 middle casings, 11 sleeve pipes, 12 big diaphragms, 13 large plates, 14 nuts;
Among Fig. 2, other piece number is all identical with Fig. 1, has only 4 to rename as gas, liquid mouth a, and 6 rename as gas, liquid mouth b.
Embodiment
Example 1, to show the present invention from accompanying drawing 1 be two diaphragms, the double-acting gas of no return spring, oil hydraulic cylinder.Whole gas, oil hydraulic cylinder housing are to be made of front case 2, middle casing 10 and rear case 7: wherein, the fore shell sheet of middle casing 10 and back cover sheet are by being welded together, clamp little matrix 9 by front case 2 and middle casing 10 centres again, and fit together by lesser calorie hoop 3; Clamp big matrix 12 in the middle of middle casing 10 and the rear case 7, and fit together by big clip 5.In order to strengthen diaphragm intensity, when the assembling push rod, big or small diaphragm will be assembled two block pressur plates respectively, i.e. large plate 13 and little pressing plate 8.Push rod 1 passes big diaphragm 12, Small diaphragm-piece 9 and is pressed in the pressing plate of big or small diaphragm front and back, in the termination of push rod 1, with nut 14 fastening being fixed.The large plate 13 of big diaphragm 12 fronts and the little pressing plate 8 of Small diaphragm-piece 9 back are to weld by sleeve pipe 11 1 ends and the large plate 13 that is enclosed within on the push rod 1, and the other end is pressed on the little pressing plate 8 it is fixed; Little pressing plates 8 before the Small diaphragm-piece 9 are enclosed within on the boss in the middle of the push rod 1 and are fixed.Cylinder after the assembling has formed two cavitys, and the cavity that push rod 1 is arranged between the big or small diaphragm is a rod chamber, and the cavity that big diaphragm 12 back do not have push rod 1 is a rodless cavity.A rod chamber gas, liquid mouth 4 being arranged above the middle shell of rod chamber, a rodless cavity gas, liquid mouth 6 are arranged above the rear case of rodless cavity, is the import and export of pressurized air or liquid.Above-mentioned described big or small diaphragm all adopts the truck aerodynamic brake to divide pump diaphragm, and material is the rubber (market sale) of strap clamp layer of cloth.Housing and clip are steel stamping parts.Placement can be clip connected, also can or be threaded with the flange bolt connection.
Example 2: shown in accompanying drawing 2, be to constitute by two groups of double-action diaphragm gas, oil hydraulic cylinders, the assembling of its main composition part is all identical with example 1, different is that one group of gas of rear case and back of last group of gas, oil hydraulic cylinder, the front case of oil hydraulic cylinder pass through welding assembly together, push rod 1 passes 4 diaphragms, its termination is in the end on big diaphragm, fixing by nut 14, the rodless cavity of last group of gas, oil hydraulic cylinder changes over rod chamber among Fig. 1 thus, rear case 7 makes middle casing 10 into, no bar gas, liquid mouth 6 rename as gas, liquid mouth b, and rod chamber gas, liquid mouth 4 rename as gas, liquid mouth a.
During application, two gas, liquid mouth b air inlet simultaneously or liquid, exhaust simultaneously of two gas, liquid mouth a or liquid, with under the pressure, the power that the power that last group big diaphragm 12 produces produces greater than Small diaphragm-piece 3, direction is opposite, act on straight line, like this, with the big diaphragm 12 of one group of back, promote push rod to left movement, and realize that strength increases doubly; When two gas, liquid mouth b exhaust, when two gas, liquid mouth a air inlet, as a same reason, push rod moves right, and finishes a work cycle.
Claims (4)
1, a kind of double-action diaphragm gas, oil hydraulic cylinder, mainly comprise gas, oil hydraulic cylinder housing and diaphragm, it is characterized in that double-action diaphragm gas, oil hydraulic cylinder are to constitute by one group at least, be equipped with two diaphragms in every group of gas, the oil hydraulic cylinder housing, and form two airtight chambeies, push rod passes two diaphragms, is connected, seals with diaphragm.
2, according to the described double-action diaphragm of claim 1 gas, oil hydraulic cylinder, it is characterized in that the housing of every group of gas, oil hydraulic cylinder is made up of front case, middle casing and rear case, a gas, liquid mouth are arranged respectively above middle casing and rear case.
3, according to the described double-action diaphragm of claim 1 gas, oil hydraulic cylinder, it is characterized in that two diaphragms of every group of gas, oil hydraulic cylinder are divided into Small diaphragm-piece and big diaphragm, be respectively fitted with two pressing plates on each diaphragm.
4, according to the described double-action diaphragm of claim 1 gas, oil hydraulic cylinder, it is characterized in that by many groups double-action diaphragm gas, the oil hydraulic cylinder formed more than two groups, all is that the one group of gas of rear case and back by last group of gas, oil hydraulic cylinder, the front case of oil hydraulic cylinder assemble together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215673A CN1295443C (en) | 2004-07-28 | 2004-07-28 | Air-hydraulic cylinder with dual function diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100215673A CN1295443C (en) | 2004-07-28 | 2004-07-28 | Air-hydraulic cylinder with dual function diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598247A true CN1598247A (en) | 2005-03-23 |
| CN1295443C CN1295443C (en) | 2007-01-17 |
Family
ID=34663362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100215673A Expired - Fee Related CN1295443C (en) | 2004-07-28 | 2004-07-28 | Air-hydraulic cylinder with dual function diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1295443C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075384A (en) * | 2013-01-30 | 2013-05-01 | 中国科学院长春光学精密机械与物理研究所 | Friction-free hydraulic cylinder for primary mirror support |
| CN103629181A (en) * | 2013-12-11 | 2014-03-12 | 大连运明自动化技术有限公司 | Dual-layer great-cylinder-diameter pneumatic film cylinder |
| CN109416061A (en) * | 2016-07-11 | 2019-03-01 | 费斯托股份有限两合公司 | The manipulation unit of the diaphragm driver of fluid manipulation and the method manufactured for it and the diaphragm driver equipped with it |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210607U (en) * | 1986-12-12 | 1987-12-12 | 张瑞庆 | Dual purpose diaphragm type pump |
| CN2040552U (en) * | 1988-05-13 | 1989-07-05 | 江西省陶瓷研究所 | Stepless variable-displacement diaphragm pump |
| CN1263221A (en) * | 1999-02-07 | 2000-08-16 | 杨玉思 | Hydraulic level double control valve |
| CN2445125Y (en) * | 2000-09-14 | 2001-08-29 | 长岭(集团)股份有限公司 | Force-doubling film air cylinder |
-
2004
- 2004-07-28 CN CNB2004100215673A patent/CN1295443C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075384A (en) * | 2013-01-30 | 2013-05-01 | 中国科学院长春光学精密机械与物理研究所 | Friction-free hydraulic cylinder for primary mirror support |
| CN103075384B (en) * | 2013-01-30 | 2015-02-18 | 中国科学院长春光学精密机械与物理研究所 | Friction-free hydraulic cylinder for primary mirror support |
| CN103629181A (en) * | 2013-12-11 | 2014-03-12 | 大连运明自动化技术有限公司 | Dual-layer great-cylinder-diameter pneumatic film cylinder |
| CN103629181B (en) * | 2013-12-11 | 2015-11-18 | 大连运明自动化技术有限公司 | A kind of dual-layer great-cylinder-diamepneumatic pneumatic film cylinder |
| CN109416061A (en) * | 2016-07-11 | 2019-03-01 | 费斯托股份有限两合公司 | The manipulation unit of the diaphragm driver of fluid manipulation and the method manufactured for it and the diaphragm driver equipped with it |
| CN109416061B (en) * | 2016-07-11 | 2021-02-09 | 费斯托股份两合公司 | Actuating unit of a fluid-actuated diaphragm drive, method for the production thereof, and diaphragm drive equipped therewith |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1295443C (en) | 2007-01-17 |
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Granted publication date: 20070117 Termination date: 20120728 |